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kimi

2020-05-18 c8aee7b9bfd79cfd741d7e5692520f4f51a31a86

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package com.highdatas.mdm.util.pool; 
 
import java.util.concurrent.*; 
 
/** 
 * @author kimi 
 * @description 
 * @date 2020-04-14 11:45 
 */ 
 
 
public class PassiveMqThreadPoolExecutor extends ThreadPoolExecutor { 
 
    public PassiveMqThreadPoolExecutor(int corePoolSize, int maximumPoolSize, 
                                       long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue) { 
        super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue); 
    } 
 
    public PassiveMqThreadPoolExecutor(int corePoolSize, int maximumPoolSize, 
                                       long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue, 
                                       RejectedExecutionHandler handler) { 
        super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, handler); 
    } 
 
    public PassiveMqThreadPoolExecutor(int corePoolSize, int maximumPoolSize, 
                                       long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue, 
                                       ThreadFactory threadFactory) { 
        super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory); 
    } 
 
    public PassiveMqThreadPoolExecutor(int corePoolSize, int maximumPoolSize, 
                                       long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue, 
                                       ThreadFactory threadFactory, RejectedExecutionHandler handler) { 
        super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory, handler); 
    } 
 
    @Override 
    protected <T> RunnableFuture<T> newTaskFor(Runnable runnable, T value) { 
        return new ComparableFutureTask<T>(runnable, value); 
    } 
 
    @Override 
    protected <T> RunnableFuture<T> newTaskFor(Callable<T> callable) { 
        return new ComparableFutureTask<T>(callable); 
    } 
 
    protected class ComparableFutureTask<V> 
            extends FutureTask<V> implements Comparable<ComparableFutureTask<V>> { 
        private Object object; 
 
        public ComparableFutureTask(Callable<V> callable) { 
            super(callable); 
            object = callable; 
        } 
 
        public ComparableFutureTask(Runnable runnable, V result) { 
            super(runnable, result); 
            object = runnable; 
        } 
 
        @Override 
        @SuppressWarnings("unchecked") 
        public int compareTo(ComparableFutureTask<V> o) { 
            if (this == o) { 
                return 0; 
            } 
            if (o == null) { 
                return -1; // high priority 
            } 
            if (object != null && o.object != null) { 
                if (object.getClass().equals(o.object.getClass())) { 
                    if (object instanceof Comparable) { 
                        return ((Comparable) object).compareTo(o.object); 
                    } 
                } 
            } 
            return 0; 
        } 
    } 
}